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Sadtem

Medium-voltage instrument transformers for energy distributors, railways and industrial grid customers, made in France

Douai, FranceFounded 1957sadtem.comWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Sadtem

SADTEM designs and manufactures medium-voltage instrument transformers, including indoor and outdoor voltage and current transformers, combined units, and capacitive voltage sensors. Its manufacturing and testing laboratory are located in the Hauts-de-France region.

Customers include electricity distribution operators, railway operators and industrial and utility equipment suppliers. Most of the company's sales are exports to international clients, and it is listed among suppliers for groups such as Alstom, GE, Siemens, Schneider and ABB. It also works with distributors and partners such as Rexel Utility in Canada and Sine Wave in Taiwan.

The company is based in Douai, France, and has 100 employees across 4 sites in France. It has been in business since 1957 and reports 77% of sales from exports and deliveries to 60 countries in 2022.

Product: Medium-voltage instrument transformers (voltage and current transformers, combined TT+TC units, LV toroidal current transformers, capacitive voltage sensors)

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